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Many years ago, I owned a 120Watt Power Amplfier for 23cm with 2x 2C39 tubes.

This amplifier has always performed to my satisfaction until one day, it was stolen during a buglary in our local Radio Club PI4Z. Since then I've never owned a PA for this band, but since I've regained interest in the band recently (spring 2012), I've decided to build a new Solid State PA. After browsing the internet for some ideas and some eye-ball qso's with fellow club members, the logical choice seemed a PA based on the popular MRF286/XRF286. Jan PE1AXM has built a similar SSPA and he had an etched PCB and some MRF286's for spare which changed owners soon after.

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2012-06-09 21:01 CEST

Logbook added

Category: General

Posted by: pe9ghz

I've added my logbook under the Home menu. I'll try to add new entries to the log as soon as possible, nearly "live". The layout of the log will change, I'm still searching for the best format.

[More]

2012-03-24 22:16 CET

QRV on 23cm!

Category: General

Posted by: pe9ghz

I'm back on 23cm !

Today I finished work on my newly acquired 23cm transverter (DB6NT G2).

Together with a 15W power module, built into a nice outdoor rain-proof housing.

I anticipated good propagation conditions on 1296 so I made an extra effort to finish the project, and attach the

finished transverter to the base of my antenna tower.

Tonight, conditions towards OZ, SM were great and I worked two stations, one in JO67 and one in JO66.

ODx 888 and 822kms, not too bad for QRP power.

[More]

2012-01-16 09:08 CET

70MHz transverter project

Category: General

Posted by: admin

I've started a new project which involves designing and building a 70MHz transverter.

23cm SSPA

I've built a Solid State Power Amplifier (SSPA) for the 23cm / 1296MHz band, with 2x MRF286 Power MOSFETs based on a design by a French radio amateur F1ANH and published by F6BVA (see Links).

A picture is worth a thousand words, so below are some pictures I made during the process of building of the 23cm SSPA:

To be continued..